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<a href="_desktops_2_desktop1_2doxy_2project_2src_2lib_2decoding_2decoding_8cpp.html">См. документацию.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="_desktops_2_desktop1_2doxy_2project_2src_2lib_2decoding_2decoding_8h.html">decoding.h</a>&quot;</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="preprocessor">#include &lt;cmath&gt;</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="preprocessor">#include &lt;iostream&gt;</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="preprocessor">#include &lt;fstream&gt;</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="preprocessor">#include &lt;locale&gt;</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160; </div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160; </div>
<div class="line"><a name="l00009"></a><span class="lineno"><a class="line" href="class_decoding.html#af6c30c1c0a50d3f73d5dd5680cc5ca88">    9</a></span>&#160;<a class="code" href="class_decoding.html#af6c30c1c0a50d3f73d5dd5680cc5ca88">Decoding::Decoding</a>()</div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;{</div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;}</div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="keyword">using namespace </span>std;</div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160; </div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceapprox.html">approx</a>{</div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160; </div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;    vector&lt;double&gt; <a class="code" href="namespaceapprox.html#aae61a48ce45dc9ffd85c4aa9d2b83ddb">calc_polynom_func</a>(vector&lt;double&gt; *polynom_values, vector&lt;double&gt; *x_values)</div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;    {</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;        vector&lt;double&gt; res((*x_values).size());</div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;        <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt; (*x_values).size(); i++)</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;        {</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;            <span class="keywordflow">for</span>(<span class="keywordtype">int</span> j = 0; j &lt; (*polynom_values).size(); j++)</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;            {</div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;                res[i] += (*polynom_values)[j] * pow((*x_values)[i], j);</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;            }</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;        }</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;        <span class="keywordflow">return</span> res;</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;    }</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160; </div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;    <span class="keywordtype">double</span> <a class="code" href="namespaceapprox.html#aea367932a8510bb34049aed6b47c928c">vector_mid</a>(vector&lt;double&gt; *v)</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;    {</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;        <span class="keywordtype">double</span> mid = 0;</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; (*v).size(); i++)</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;        {</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;            mid += (*v)[i];</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;        }</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;        <span class="keywordflow">return</span> mid / (*v).size();</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;    }</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160; </div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;    <span class="keywordtype">double</span> <a class="code" href="namespaceapprox.html#a35fc402b24fd6abfad92d7c8f72ba55e">difference</a>(vector&lt;double&gt; *x_values, vector&lt;double&gt; *y_values, vector&lt;double&gt; *polynom_values)</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;    {</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;        <span class="keywordtype">double</span> res = 0;</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;        <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt; (*x_values).size(); i++)</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;        {</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;            <span class="keywordtype">double</span> y = 0;</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;            <span class="keywordflow">for</span>(<span class="keywordtype">int</span> j = 0; j &lt; (*polynom_values).size(); j++)</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;            {</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;                y += (*polynom_values)[j] * pow((*x_values)[i], j);</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;            }</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;            res += abs(y - (*y_values)[i]);</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;        }</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;        <span class="keywordflow">return</span> res;</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;    }</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160; </div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    <span class="keywordtype">double</span> <a class="code" href="namespaceapprox.html#a8312135459085eaba94cf40deacf1799">approx_mistake</a>(vector&lt;double&gt; *x_values, vector&lt;double&gt; *y_values, vector&lt;double&gt; *polynom_values)</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    {</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;        <span class="keywordtype">double</span> res = 0;</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;        vector&lt;double&gt; y2_values = <a class="code" href="namespaceapprox.html#aae61a48ce45dc9ffd85c4aa9d2b83ddb">calc_polynom_func</a>(polynom_values, x_values);</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;        <span class="keywordtype">int</span> n = (*y_values).size();</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;        <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt; (*y_values).size(); i++)</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;        {</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;            <span class="keywordflow">if</span>((*y_values)[i] == 0)</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;                n -= 1;</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;            <span class="keywordflow">else</span></div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;                res += abs((y2_values[i] - (*y_values)[i]) / (*y_values)[i]);</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;        }</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;        <span class="keywordflow">if</span>(res == 0)</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;            <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;        <span class="keywordflow">return</span> res / n * 100;</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;    }</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160; </div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;    vector&lt;vector&lt;double&gt;&gt; <a class="code" href="namespaceapprox.html#a3059d3798e161fa72f89ce8b40ead8a2">coefficients</a>(vector&lt;double&gt; *x_values, <span class="keywordtype">int</span> res_ind)</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;    {</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;        vector&lt;vector&lt;double&gt;&gt; res(2);</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;        <span class="keywordtype">int</span> res_size = (*x_values).size() - 1;</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;        res[0].resize(res_size);</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;        res[1].resize(res_size);</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160; </div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;        <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt;= res_size; i++)</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;        {</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;            <span class="keywordflow">if</span> (i != res_ind)</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;            {</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;                <span class="keywordtype">double</span> c = 1/((*x_values)[res_ind] - (*x_values)[i]);</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;                res[0][i - (i &gt; res_ind)] = -(*x_values)[i] * c;</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;                res[1][i - (i &gt; res_ind)] = c;</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;            }</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;        }</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;        <span class="keywordflow">return</span> res;</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;    }</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160; </div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;    vector&lt;double&gt; <a class="code" href="namespaceapprox.html#acd725e4f6d55087c7b00d0b5302d7ebe">polynom</a>(vector&lt;double&gt; *x_values, <span class="keywordtype">int</span> res_ind)</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    {</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;        vector&lt;vector&lt;double&gt;&gt; coef = <a class="code" href="namespaceapprox.html#a3059d3798e161fa72f89ce8b40ead8a2">coefficients</a>(x_values, res_ind);</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;        <span class="keywordtype">int</span> x_size = (*x_values).size();</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;        vector&lt;double&gt; res(x_size + 1);</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;        <span class="keywordflow">if</span>(x_size == 2)</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;        {</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;            res[0] = coef[0][0];</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;            res[1] = coef[1][0];</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;        }</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;        <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 1; i &lt; x_size - 1; i++)</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;        {</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;            <span class="keywordflow">if</span>(i == 1)</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;            {</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;                res[0] = coef[0][0] * coef[0][1];</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;                res[1] = coef[0][0] * coef[1][1] + coef[1][0] * coef[0][1];</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;                res[2] = coef[1][0] * coef[1][1];</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;            }</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;            <span class="keywordflow">else</span></div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;            {</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;                vector&lt;double&gt; next_res(x_size + 1);</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;                <span class="keywordflow">for</span>(<span class="keywordtype">int</span> j = 0; j &lt; x_size; j++)   <span class="comment">// оптимизировать?</span></div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;                {</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;                    next_res[j] += res[j] * coef[0][i];</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;                    next_res[j + 1] += res[j] * coef[1][i];</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;                }</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;                res = next_res;</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;            }</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;        }</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;        <span class="keywordflow">return</span> res;</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;    }</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160; </div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;    vector&lt;vector&lt;double&gt;&gt; <a class="code" href="namespaceapprox.html#ad056c53e8c7fab970e9016c58273d240">fill_matrix</a>(vector&lt;double&gt; *x_values, <span class="keywordtype">int</span> max_pow)</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;    {</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;        vector&lt;vector&lt;double&gt;&gt; matrix(max_pow);</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;        <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt; max_pow; i++)</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;        {</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;            matrix[i].resize(max_pow);</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;            <span class="keywordflow">for</span>(<span class="keywordtype">int</span> j = 0; j &lt; max_pow; j++)</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;            {</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;                matrix[i][j] = 0;</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;                <span class="keywordflow">for</span>(<span class="keywordtype">int</span> k = 0; k &lt; (*x_values).size(); k++)</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;                {</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;                    matrix[i][j] += pow((*x_values)[k], i + j);</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;                }</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;            }</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;        }</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;        <span class="keywordflow">return</span> matrix;</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;    }</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160; </div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;    vector&lt;double&gt; <a class="code" href="namespaceapprox.html#abc3e8a47644df941661a6d93dccef791">least_squares</a>(vector&lt;double&gt; *x_values, vector&lt;double&gt; *y_values, <span class="keywordtype">int</span> max_pow)</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;    {</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;        vector&lt;vector&lt;double&gt;&gt; matrix_a = <a class="code" href="namespaceapprox.html#ad056c53e8c7fab970e9016c58273d240">fill_matrix</a>(x_values, max_pow);</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;        vector&lt;double&gt; vector_b(max_pow);</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;        <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt; max_pow; i++)</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;        {</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;            <span class="keywordflow">for</span>(<span class="keywordtype">int</span> k = 0; k &lt; (*x_values).size(); k++)</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;            {</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;                vector_b[i] += pow((*x_values)[k], i) * (*y_values)[k];</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;            }</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;        }</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;        <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt; max_pow; i++)</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;        {</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;            <span class="keywordtype">int</span> not_zero = -1;</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;            <span class="keywordflow">for</span>(<span class="keywordtype">int</span> j = i; j &lt; max_pow; j++)</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;            {</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;                <span class="keywordflow">if</span>(matrix_a[i][j] != 0)</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;                {</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;                    not_zero = j;</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;                    <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;                }</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;            }</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;            <span class="keywordflow">if</span>(not_zero == -1)</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;                <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;            <span class="keywordflow">if</span>(i != not_zero)</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;            {</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;                vector&lt;double&gt; tmp_m = matrix_a[i];</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;                matrix_a[i] = matrix_a[not_zero];</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;                matrix_a[not_zero] = tmp_m;</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160; </div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;                <span class="keywordtype">double</span> tmp_v = vector_b[i];</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;                vector_b[i] = vector_b[not_zero];</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;                vector_b[not_zero] = tmp_v;</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;            }</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;            vector_b[i] /= matrix_a[i][i];</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;            <span class="keywordflow">for</span>(<span class="keywordtype">int</span> j = i + 1; j &lt; max_pow; j++)</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;            {</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;                matrix_a[i][j] /= matrix_a[i][i];</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;            }</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;            matrix_a[i][i] = 1;</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;            <span class="keywordflow">for</span>(<span class="keywordtype">int</span> j = i + 1; j &lt; max_pow; j++)</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;            {</div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;                <span class="keywordflow">if</span>(matrix_a[j][i] == 0)</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;                    <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;                vector_b[j] -= matrix_a[j][i] * vector_b[i];</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;                <span class="keywordflow">for</span>(<span class="keywordtype">int</span> k = i + 1; k &lt; max_pow; k++)</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;                {</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;                    matrix_a[j][k] -= matrix_a[j][i] * matrix_a[i][k];</div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;                }</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;                matrix_a[j][i] = 0;</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;            }</div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;        }</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;        <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = max_pow - 1; i &gt;= 0; i--)</div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;        {</div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;            <span class="keywordflow">if</span>(matrix_a[i][i] == 0)</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;            {</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;                vector_b[i] = 0;</div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;                <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;            }</div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;            <span class="keywordflow">for</span>(<span class="keywordtype">int</span> j = i - 1; j &gt;= 0; j--)</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;            {</div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;                vector_b[j] -= matrix_a[j][i] * vector_b[i];</div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;            }</div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;        }</div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;        <span class="keywordflow">return</span> vector_b;</div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;    }</div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160; </div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;    vector&lt;double&gt; <a class="code" href="namespaceapprox.html#aaf17acf88dbce46e2693919c34f6a5c4">lagrange</a>(vector&lt;double&gt; *x_values, vector&lt;double&gt; *y_values)</div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;    {</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;        <span class="keywordtype">int</span> res_size = (*x_values).size();</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;        vector&lt;double&gt; res(res_size);</div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160; </div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;        <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt; res_size; i++)   <span class="comment">// можно распараллелить</span></div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;        {</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;            vector&lt;double&gt; p = <a class="code" href="namespaceapprox.html#acd725e4f6d55087c7b00d0b5302d7ebe">polynom</a>(x_values, i);</div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;            <span class="keywordflow">for</span>(<span class="keywordtype">int</span> j = 0; j &lt; res_size; j++)</div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;            {</div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;                res[j] += p[j] * (*y_values)[i];</div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;            }</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;        }</div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;        <span class="keywordflow">return</span> res;</div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;    }</div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160; </div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;    vector&lt;double&gt; <a class="code" href="namespaceapprox.html#abe35bfd2086432c0d7deebadb7765f5b">split_lagrange</a>(vector&lt;double&gt; *x_values, vector&lt;double&gt; *y_values, <span class="keywordtype">int</span> max_pow)</div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;    {</div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;        <span class="keywordtype">int</span> a = (*x_values).size() / max_pow;</div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;        <span class="keywordtype">int</span> b = a + 1;</div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;        <span class="keywordtype">int</span> save_x2 = (*x_values).size() - a * max_pow;</div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;        <span class="keywordtype">int</span> save_x1 = max_pow - save_x2;</div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;        <span class="keywordtype">double</span> div1_2 = save_x1;</div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;        <span class="keywordflow">if</span> (save_x2 &gt; 0)</div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;            div1_2 = double(save_x1) / double(save_x2);</div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;        vector&lt;double&gt; res;</div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;        <span class="keywordtype">double</span> best_dif = 0;</div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;        <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt; a; i++)</div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;        {</div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;            <span class="keywordtype">int</span> x1 = save_x1;</div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;            <span class="keywordtype">int</span> x2 = save_x2;</div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;            vector&lt;double&gt; newX;</div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;            vector&lt;double&gt; newY;</div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;            <span class="keywordtype">int</span> j = i;</div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;            <span class="keywordtype">double</span> que = div1_2;</div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;            <span class="keywordflow">while</span>(x1 &amp;&amp; x2)</div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;            {</div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;                <span class="keywordflow">while</span>(que &gt;= 1 &amp;&amp; x1)</div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;                {</div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;                    que--;</div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;                    x1--;</div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;                    newX.push_back((*x_values)[j]);</div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;                    newY.push_back((*y_values)[j]);</div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;                    j += a;</div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;                }</div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;                que += div1_2;</div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;                x2--;</div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;                newX.push_back((*x_values)[j]);</div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;                newY.push_back((*y_values)[j]);</div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;                j += b;</div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;            }</div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;            <span class="keywordflow">if</span>(x1)</div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;            {</div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;                <span class="keywordflow">for</span>(<span class="keywordtype">int</span> k = j; k &lt; (*x_values).size(); k += a)</div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;                {</div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;                    newX.push_back((*x_values)[k]);</div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;                    newY.push_back((*y_values)[k]);</div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;                }</div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;            }</div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;            <span class="keywordflow">if</span>(x2)</div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;            {</div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;                <span class="keywordflow">for</span>(<span class="keywordtype">int</span> k = j; k &lt; (*x_values).size(); k += b)</div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;                {</div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;                    newX.push_back((*x_values)[k]);</div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;                    newY.push_back((*y_values)[k]);</div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;                }</div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;            }</div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;            cerr &lt;&lt; <span class="stringliteral">&quot;\nX\n&quot;</span>;</div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;            <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt; newX.size(); i++)</div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;                cerr &lt;&lt; newX[i] &lt;&lt; <span class="stringliteral">&quot; &quot;</span>;</div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;            cerr &lt;&lt; <span class="stringliteral">&quot;\nY\n&quot;</span>;</div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;            <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt; newY.size(); i++)</div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;                cerr &lt;&lt; newY[i] &lt;&lt; <span class="stringliteral">&quot; &quot;</span>;</div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;            vector&lt;double&gt; test = <a class="code" href="namespaceapprox.html#aaf17acf88dbce46e2693919c34f6a5c4">lagrange</a>(&amp;newX, &amp;newY);</div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;            <span class="keywordflow">if</span>(i == 0)</div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;            {</div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;                res = test;</div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;                best_dif = <a class="code" href="namespaceapprox.html#a8312135459085eaba94cf40deacf1799">approx_mistake</a>(x_values, y_values, &amp;res);</div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;            }</div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;            <span class="keywordflow">else</span></div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;            {</div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;                <span class="keywordtype">double</span> diff = <a class="code" href="namespaceapprox.html#a8312135459085eaba94cf40deacf1799">approx_mistake</a>(x_values, y_values, &amp;test);</div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;                <span class="keywordflow">if</span>(diff &lt; best_dif)</div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;                {</div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;                    best_dif = diff;</div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;                    res = test;</div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;                }</div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;            }</div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;        }</div>
<div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;        <span class="keywordflow">return</span> res;</div>
<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;    }</div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160; </div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;    <span class="keywordtype">double</span> <a class="code" href="namespaceapprox.html#a094281e5f6d9247a2472145b60182d5f">squared_deviation</a>(vector&lt;double&gt; *v)</div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;    {</div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;        <span class="keywordtype">double</span> mid = <a class="code" href="namespaceapprox.html#aea367932a8510bb34049aed6b47c928c">vector_mid</a>(v);</div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;        <span class="keywordtype">double</span> res = 0;</div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; (*v).size(); i++)</div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;        {</div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;            res += pow((*v)[i] - mid, 2);</div>
<div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;        }</div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;        <span class="keywordflow">return</span> sqrt(res / (*v).size());</div>
<div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;    }</div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160; </div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;    <span class="keywordtype">double</span> <a class="code" href="namespaceapprox.html#abbe51c832748c9e94ae9990d4934cb76">correlation</a>(vector&lt;double&gt; *x_values, vector&lt;double&gt; *y_values, vector&lt;double&gt; *polynom_values)</div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;    {</div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;        <span class="keywordtype">double</span> res = 0;</div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;        <span class="keywordtype">double</span> y_mid = <a class="code" href="namespaceapprox.html#aea367932a8510bb34049aed6b47c928c">vector_mid</a>(y_values);</div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;        vector&lt;double&gt; y2_values = <a class="code" href="namespaceapprox.html#aae61a48ce45dc9ffd85c4aa9d2b83ddb">calc_polynom_func</a>(polynom_values, x_values);</div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;        <span class="keywordtype">double</span> y2_mid = <a class="code" href="namespaceapprox.html#aea367932a8510bb34049aed6b47c928c">vector_mid</a>(&amp;y2_values);</div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;        <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt; (*y_values).size(); i++)</div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;        {</div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;            res += ((*y_values)[i] - y_mid) * (y2_values[i] - y2_mid);</div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;        }</div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;        res /= (*y_values).size() * <a class="code" href="namespaceapprox.html#a094281e5f6d9247a2472145b60182d5f">squared_deviation</a>(y_values) * <a class="code" href="namespaceapprox.html#a094281e5f6d9247a2472145b60182d5f">squared_deviation</a>(&amp;y2_values);</div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;        cerr &lt;&lt; y_mid &lt;&lt; <span class="stringliteral">&quot; &quot;</span> &lt;&lt; y2_mid &lt;&lt; <span class="stringliteral">&quot;\n&quot;</span>;</div>
<div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;        <span class="keywordflow">return</span> res;</div>
<div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;    }</div>
<div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160; </div>
<div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;}</div>
<div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;<span class="comment">//vector&lt;double&gt; test_x = {-1.5, -0.75, 0, 0.75, 1.5};</span></div>
<div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;<span class="comment">//vector&lt;double&gt; test_y = {-14.1014, -0.931596, 0, 0.931596, 14.1014};</span></div>
<div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;<span class="comment">//vector&lt;double&gt; test_res = approx::lagrange(&amp;test_x, &amp;test_y);</span></div>
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<div class="ttc" id="anamespaceapprox_html_acd725e4f6d55087c7b00d0b5302d7ebe"><div class="ttname"><a href="namespaceapprox.html#acd725e4f6d55087c7b00d0b5302d7ebe">approx::polynom</a></div><div class="ttdeci">vector&lt; double &gt; polynom(vector&lt; double &gt; *x_values, int res_ind)</div><div class="ttdef"><b>Definition:</b> <a href="alekseev__semen_2project_2src_2lib_2decoding_2decoding_8cpp_source.html#l00084">decoding.cpp:84</a></div></div>
<div class="ttc" id="anamespaceapprox_html_a35fc402b24fd6abfad92d7c8f72ba55e"><div class="ttname"><a href="namespaceapprox.html#a35fc402b24fd6abfad92d7c8f72ba55e">approx::difference</a></div><div class="ttdeci">double difference(vector&lt; double &gt; *x_values, vector&lt; double &gt; *y_values, vector&lt; double &gt; *polynom_values)</div><div class="ttdef"><b>Definition:</b> <a href="alekseev__semen_2project_2src_2lib_2decoding_2decoding_8cpp_source.html#l00033">decoding.cpp:33</a></div></div>
<div class="ttc" id="anamespaceapprox_html_aea367932a8510bb34049aed6b47c928c"><div class="ttname"><a href="namespaceapprox.html#aea367932a8510bb34049aed6b47c928c">approx::vector_mid</a></div><div class="ttdeci">double vector_mid(vector&lt; double &gt; *v)</div><div class="ttdef"><b>Definition:</b> <a href="alekseev__semen_2project_2src_2lib_2decoding_2decoding_8cpp_source.html#l00023">decoding.cpp:23</a></div></div>
<div class="ttc" id="anamespaceapprox_html_a094281e5f6d9247a2472145b60182d5f"><div class="ttname"><a href="namespaceapprox.html#a094281e5f6d9247a2472145b60182d5f">approx::squared_deviation</a></div><div class="ttdeci">double squared_deviation(vector&lt; double &gt; *v)</div><div class="ttdoc">squared_deviation расчитывает квадратичное отклонение для входных данных</div><div class="ttdef"><b>Definition:</b> <a href="alekseev__semen_2project_2src_2lib_2decoding_2decoding_8cpp_source.html#l00289">decoding.cpp:289</a></div></div>
<div class="ttc" id="a_desktops_2_desktop1_2doxy_2project_2src_2lib_2decoding_2decoding_8h_html"><div class="ttname"><a href="_desktops_2_desktop1_2doxy_2project_2src_2lib_2decoding_2decoding_8h.html">decoding.h</a></div></div>
<div class="ttc" id="anamespaceapprox_html_a8312135459085eaba94cf40deacf1799"><div class="ttname"><a href="namespaceapprox.html#a8312135459085eaba94cf40deacf1799">approx::approx_mistake</a></div><div class="ttdeci">double approx_mistake(vector&lt; double &gt; *x_values, vector&lt; double &gt; *y_values, vector&lt; double &gt; *polynom_values)</div><div class="ttdoc">approx_mistake - расчёт ошибки аппроксимации</div><div class="ttdef"><b>Definition:</b> <a href="alekseev__semen_2project_2src_2lib_2decoding_2decoding_8cpp_source.html#l00048">decoding.cpp:48</a></div></div>
<div class="ttc" id="anamespaceapprox_html_abc3e8a47644df941661a6d93dccef791"><div class="ttname"><a href="namespaceapprox.html#abc3e8a47644df941661a6d93dccef791">approx::least_squares</a></div><div class="ttdeci">vector&lt; double &gt; least_squares(vector&lt; double &gt; *x_values, vector&lt; double &gt; *y_values, int max_pow)</div><div class="ttdoc">least_squares расчитывает полином методом наименьших квадратов</div><div class="ttdef"><b>Definition:</b> <a href="alekseev__semen_2project_2src_2lib_2decoding_2decoding_8cpp_source.html#l00134">decoding.cpp:134</a></div></div>
<div class="ttc" id="anamespaceapprox_html_a3059d3798e161fa72f89ce8b40ead8a2"><div class="ttname"><a href="namespaceapprox.html#a3059d3798e161fa72f89ce8b40ead8a2">approx::coefficients</a></div><div class="ttdeci">vector&lt; vector&lt; double &gt; &gt; coefficients(vector&lt; double &gt; *x_values, int res_ind)</div><div class="ttdef"><b>Definition:</b> <a href="alekseev__semen_2project_2src_2lib_2decoding_2decoding_8cpp_source.html#l00065">decoding.cpp:65</a></div></div>
<div class="ttc" id="anamespaceapprox_html_ad056c53e8c7fab970e9016c58273d240"><div class="ttname"><a href="namespaceapprox.html#ad056c53e8c7fab970e9016c58273d240">approx::fill_matrix</a></div><div class="ttdeci">vector&lt; vector&lt; double &gt; &gt; fill_matrix(vector&lt; double &gt; *x_values, int max_pow)</div><div class="ttdef"><b>Definition:</b> <a href="alekseev__semen_2project_2src_2lib_2decoding_2decoding_8cpp_source.html#l00116">decoding.cpp:116</a></div></div>
<div class="ttc" id="aclass_decoding_html_af6c30c1c0a50d3f73d5dd5680cc5ca88"><div class="ttname"><a href="class_decoding.html#af6c30c1c0a50d3f73d5dd5680cc5ca88">Decoding::Decoding</a></div><div class="ttdeci">Decoding()</div><div class="ttdef"><b>Definition:</b> <a href="_desktops_2_desktop1_2doxy_2project_2src_2lib_2decoding_2decoding_8cpp_source.html#l00009">decoding.cpp:9</a></div></div>
<div class="ttc" id="anamespaceapprox_html_aae61a48ce45dc9ffd85c4aa9d2b83ddb"><div class="ttname"><a href="namespaceapprox.html#aae61a48ce45dc9ffd85c4aa9d2b83ddb">approx::calc_polynom_func</a></div><div class="ttdeci">vector&lt; double &gt; calc_polynom_func(vector&lt; double &gt; *polynom_values, vector&lt; double &gt; *x_values)</div><div class="ttdef"><b>Definition:</b> <a href="alekseev__semen_2project_2src_2lib_2decoding_2decoding_8cpp_source.html#l00010">decoding.cpp:10</a></div></div>
<div class="ttc" id="anamespaceapprox_html_aaf17acf88dbce46e2693919c34f6a5c4"><div class="ttname"><a href="namespaceapprox.html#aaf17acf88dbce46e2693919c34f6a5c4">approx::lagrange</a></div><div class="ttdeci">vector&lt; double &gt; lagrange(vector&lt; double &gt; *x_values, vector&lt; double &gt; *y_values)</div><div class="ttdoc">lagrange расчитывает интерполяционный полином Лагранжа</div><div class="ttdef"><b>Definition:</b> <a href="alekseev__semen_2project_2src_2lib_2decoding_2decoding_8cpp_source.html#l00202">decoding.cpp:202</a></div></div>
<div class="ttc" id="anamespaceapprox_html"><div class="ttname"><a href="namespaceapprox.html">approx</a></div><div class="ttdef"><b>Definition:</b> <a href="alekseev__semen_2project_2src_2lib_2decoding_2decoding_8cpp_source.html#l00008">decoding.cpp:8</a></div></div>
<div class="ttc" id="anamespaceapprox_html_abe35bfd2086432c0d7deebadb7765f5b"><div class="ttname"><a href="namespaceapprox.html#abe35bfd2086432c0d7deebadb7765f5b">approx::split_lagrange</a></div><div class="ttdeci">vector&lt; double &gt; split_lagrange(vector&lt; double &gt; *x_values, vector&lt; double &gt; *y_values, int max_pow)</div><div class="ttdoc">split_lagrange работает аналогично методу lagrange, но использует только часть узлов интерполяции так...</div><div class="ttdef"><b>Definition:</b> <a href="alekseev__semen_2project_2src_2lib_2decoding_2decoding_8cpp_source.html#l00218">decoding.cpp:218</a></div></div>
<div class="ttc" id="anamespaceapprox_html_abbe51c832748c9e94ae9990d4934cb76"><div class="ttname"><a href="namespaceapprox.html#abbe51c832748c9e94ae9990d4934cb76">approx::correlation</a></div><div class="ttdeci">double correlation(vector&lt; double &gt; *x_values, vector&lt; double &gt; *y_values, vector&lt; double &gt; *polynom_values)</div><div class="ttdoc">correlation - расчёт корреляции между значениями полиномиальной функции и значениями входных данных</div><div class="ttdef"><b>Definition:</b> <a href="alekseev__semen_2project_2src_2lib_2decoding_2decoding_8cpp_source.html#l00300">decoding.cpp:300</a></div></div>
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